Cleaner for sieves.



- 0.711433. Patented Oct. I4, 1902. n..|-'. SNYDER. CLEANER FDR SIEVES. (Application Bled June 26, 1902.) (No Model.)

WITNESSES:

I INVENTOR. exam-me Jf l grpz/zw M W I UNITED STATES/PATENT OFFICE.

ROBERT F. SNYDER, OF TOLEDO, OHIO, ASSIGNOR OF ONE-HALF TO WILBER A. OWEN AND CHARLES W. OWEN, OF TOLEDO, OHIO. I

SPECIFICATION forming part of Letters Patent No. 711,133, dated October 14, 1902.

Application filed June 26, 1902. Serial 110.113.24'7. (No model.)

T ll 1071/01 i m y nce n: embodiment thereof is illustrated in the ac- 50 Be it known that 1, ROBERT F. SNYDER, a companying drawings, in whichcitizen of theUnited States,residingat Toledo, Figure I is a perspective view of a sieve or in the county of Lucas and State of Ohio, have screen having the cloth or wire-netting partly invented certain new and useful Improvecutaway and showing the same as provided ments in Cleaners for Sieves; and I declare with my invention and the means by which 5': the following to be a full, clear, and exact deit is supported beneath the sieve and its scription of the invention, such as will enable method of adjustment. Fig. II is a vertical others skilled in the art to which it appertains sectional view of my device and the sieve to ID to make and use the same, reference being which it is' attached,'showing the ball or had to the accompanyingdrawings, and to the sphere in the tubulous portion of the same. 60 figures of reference marked thereon, which In the drawings, 1 represents the frame or form a part of this specification. main portion of the sieve or screen with the My invention relates to improvements in cloth or wire-netting 2 stretched across the I 5 cleaning devices for all screens or sieves used top surface thereof, beneath which is secured in the separating or cleaning of grain, flour, my invention by means hereinafter more spe- 65 or other fine substance which have a rotary, cifically referred to and described.

a semirotary, or a reciprocating motion, but The body or main portion 3 of the device is more particularly adapted for use 011 cloth with which I perform the objects above enusieves or screens employed in grist or flour merated is cylindrical and circular in form mills. It consists of the novel features, deand is provided with the radially-projecting 7o tails of construction, and combination of arms 4, extending on a horizontal plane with parts, which hereinafter will be more fully the cylindrical body 3. Referring to Fig. II, described and finally claimed. it will be noticed that the said cylindrical 2 5 The object of my invention is to provide, body 3 is composed of two annular parts, the

first, a simple, cheap, and effective screen or upper portion 3 and the lower portion 3" of 75 sieve cleaner, by means ofwhich the screen the body 3. Each of the annularparts 3' and or sieve may while in operation constantly be 3 is concavo-convex in shape, so that when keptfree from the filling up and clogging therethey are placed together they conjointly form of incident to the nature of their use and a hollowed-outannular or tubulous body, as

which so impede the class of work to which shown at 5. These semitubular parts 3' and 80 they pertain; second, adevice to perform the 3"may be provided on their inner surfaces purpose described which is so arranged, conwith the annular flanges 6 and 6, formed instructed, and capable of adjustment as to pretegral with said parts and having a series of vent the tearing or wearing of holes in the apertures 7 therein or with lugs or ears likecloth or screen and the racking of the frame, wise provided with apertures, the apertures 8 the faults found to be present in the various in the flanges or lugs of the lower part 3 be devices now in use for that purpose; third, a ing internally screw-threaded to permit of the cleaner which may be readily adjusted to a said parts 3 and 3" being bound together by 0 light or heavy stroke of the arms against the the insertion of the screws 7 in the said apscreen or sieve, and, fourth, a cleaner which ertures. Integral with the said part 3' and 0 carries its own actuating means, the same beextending diametrically across the same is the ing actuated by the motion imparted to the bridge 8, having the upright portion 8, which screen or sieve, and thus making its operais provided with the aperture 8" for the intion not dependent upon a separate and dissort-ion of the shaft or wire 10. The radial tinct mechanism. arms 4, which are made integral with the o While the essential and characteristic feapart 3, are provided at their outer ends with tures of the invention are necessarily susthe dovetailed grooves 4, in which are inceptible of modification, still the preferred sorted and securely fixed the knockers 4",

said knockers being made of rubber or. other fungible substance. I prefer a substance of this character to prevent the tearing or mutilating of the sieve cloth or screen.

For the actpating means of my said invention I provide a ball or sphere 9, which is loosely placed within the circular chamber 5, formed in the member 3, which is caused by the rotary, semirotary, or reciprocating motion of the sieve or screen to rotate within the said member or body 3.

To support my said invention and hold it in proper adjustment to the screen or sieve, I provide a shaft or wire 10, which may be extended either longitudinally or transversely of the frame 1, said shaft or wire being supported at either end by the plates 11, which are rigidly attached to the frame by means of a bolt being inserted in the elongated slot 12 and passed through an aperture in the frame and either secured on the opposite side by a nut or be engaged with threads on the interior of the aperture. At one end of the plates 11 is formed a journal or enlarged portion 13, with the socket 13 therein, as shown, in which the shaft or wire 10 loosely rests, thus permitting my device, which is rigidly hung thereon by reason of the shaft or wire 10 extending through the aperture 8 of the bridge 8, to have a rocking or oscillating motion, said motion being caused by the ball or sphere l) rotating within the member 3. The elongated slots 12 are provided in the plates ll'to permit of the adjustment of the said cleaner with relation to the sieve or screen 2 by raising or lowering the wire or shaft 10 when itis desired to have a weaker or stronger stroke of the arms 4. I wish it understood, however, that I do not confine myself to this means of supporting and adjusting the said cleaner, as the same result may be accomplished by numerous other methods.

In operation as many of my said cleaners as are desired may be slipped over the wire or shaft 10 and rigidly secured thereon at suitable distances apart. The ends of the wire or shaft 10 are then inserted in the sockets 13' of the plates 11, which are rigidly secu red to the frame, and allowed to rest loosely therein. As the motion imparted to the sieve or screen is of a jerky or gyratory nature and very rapid, the ball or sphere 9 within the annular channel 5 is caused to move rapidly around the same. The sphere 9 is of sufficient weight to overpower the equilibrium of the member 3 as it hangs on the shaft 10 and to impart-an oscillating motion to the said member as the sphere is carried by its own weight and momentum rapidly around=the channel 5 from one side of the shaft 10 to the other, thus causing the knockers 4 on opposite sides of the fulcrum-point or shaft 10 to alternately strike the cloth or screen 2 with sufficient force to keep the meshes of the sameopen and-free of the substances which would otherwise collect and accumulate therein when in operation. The force and length of the stroke of the arms 4 maybe readily regulated by raising or lowering the slotted plates 11.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In a sieve-cleaning device, an annular body provided with a channel therein, a ball in said channel, radial arms projecting from said annular body, means for supporting said body, and means for adjusting said support with relation to the sieve.

2. In a sieve-cleaning device, a body provided with a channel therein, radially-projecting arms on said body, means for supporting said body, said means consisting of a shaft secured to the sieve, and means for oscillating said body with said shaft as a fulcrum.

3. In a sieve-cleaning device, a Wire attached to a sieve, a body provided with a channel suspended from said wire, arms projecting from said body, a ball in said channel and adapted to rotate within the same.

4. In a sieve-cleanin g device, a body adapted to be held in close proximity to a sieve, a

movable element held in engagement with said body and adapted, when motion is imparted to said sieve, to move rapidly from one side of said body to the other and cause the extremities of said body to alternately come in contact with the sieve.

5. In a sieve-cleaning device, the combination with a sieve, of a hollow, annular body, a ball in said hollow body and adapted to rotate within the same, arms projecting radially from said body, a wire adjustable on said sieve and adapted to support the said body.

6. In a sieve-cleaning device, the combination with a sieve-frame having a covering thereon, of a body comprising upper and lower concavo-conveX parts and adapted to conjointly form a tubular body, means for securing said parts together, radially-projecting arms on one of said parts, means attached to the frame for loosely supporting said body, and means to impart an oscillating motion to the same.

7. In a sieve-cleaning device, the combination with a sieve, of a body, a ball Within said body, radially-projecting arms on said body, said arms being enlarged at their outer extremities, means attached to the sieve-frame for supporting said body, said means comprising a shaft and plates secured to frame to support said shaft, and means for adjusting the said shaft.

8. In a'cloth-cleaner for sieves, the combination with a sieve, of a body provided with a hollow portion, said body comprising two concavo-convex parts, means for joining said parts, a bridge having an aperture therein extending transversely of one of said parts,

radially-projecting arms on one of said parts, I In testimony whereof I have signed my a ball in said body and adapted to rotate withname to this specification in the presence of in the same, and means for supporting said two subscribing Witnesses.

body and holding it in close proximity to said ROBERT F. SNYDER. 5 sieve, said means comprising a wire extend- Witnesses:

ing parallel with said sieve and attached to DONN O. MITCHELL,

same by plates secured to frame thereof. CHAS. W. OWEN. 

